//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldOpenTheNextChannelWhenItExists() throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldOpenTheNextChannelWhenItExists()
{
// given
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.io.fs.StoreChannel newStoreChannel = mock(org.neo4j.io.fs.StoreChannel.class);
StoreChannel newStoreChannel = mock(typeof(StoreChannel));
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.kernel.impl.transaction.log.ReaderLogVersionBridge bridge = new org.neo4j.kernel.impl.transaction.log.ReaderLogVersionBridge(logFiles);
ReaderLogVersionBridge bridge = new ReaderLogVersionBridge(_logFiles);
when(_channel.Version).thenReturn(_version);
when(_channel.LogFormatVersion).thenReturn(CURRENT_LOG_VERSION);
when(_fs.fileExists(any(typeof(File)))).thenReturn(true);
when(_fs.open(any(typeof(File)), eq(OpenMode.READ))).thenReturn(newStoreChannel);
when(newStoreChannel.read(ArgumentMatchers.any <ByteBuffer>())).then(invocationOnMock =>
{
ByteBuffer buffer = invocationOnMock.getArgument(0);
buffer.putLong(encodeLogVersion(_version + 1));
buffer.putLong(42);
return(LOG_HEADER_SIZE);
});
// when
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.kernel.impl.transaction.log.LogVersionedStoreChannel result = bridge.next(channel);
LogVersionedStoreChannel result = bridge.Next(_channel);
// then
PhysicalLogVersionedStoreChannel expected = new PhysicalLogVersionedStoreChannel(newStoreChannel, _version + 1, CURRENT_LOG_VERSION);
assertEquals(expected, result);
verify(_channel, times(1)).close();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldReturnOldChannelWhenNextChannelHasntGottenCompleteHeaderYet() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldReturnOldChannelWhenNextChannelHasntGottenCompleteHeaderYet()
{
// given
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.kernel.impl.transaction.log.ReaderLogVersionBridge bridge = new org.neo4j.kernel.impl.transaction.log.ReaderLogVersionBridge(logFiles);
ReaderLogVersionBridge bridge = new ReaderLogVersionBridge(_logFiles);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.io.fs.StoreChannel nextVersionWithIncompleteHeader = mock(org.neo4j.io.fs.StoreChannel.class);
StoreChannel nextVersionWithIncompleteHeader = mock(typeof(StoreChannel));
when(nextVersionWithIncompleteHeader.read(any(typeof(ByteBuffer)))).thenReturn(LOG_HEADER_SIZE / 2);
when(_channel.Version).thenReturn(_version);
when(_fs.fileExists(any(typeof(File)))).thenReturn(true);
when(_fs.open(any(typeof(File)), eq(OpenMode.READ))).thenReturn(nextVersionWithIncompleteHeader);
// when
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.kernel.impl.transaction.log.LogVersionedStoreChannel result = bridge.next(channel);
LogVersionedStoreChannel result = bridge.Next(_channel);
// then
assertEquals(_channel, result);
verify(_channel, never()).close();
}
/// <summary>
/// Opens a <seealso cref="LogEntryCursor"/> for requested file
/// </summary>
/// <param name="fileSystem"> to find {@code file} in. </param>
/// <param name="file"> file to open </param>
/// <param name="readerLogVersionBridge"> log version bridge to use </param>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public static org.neo4j.kernel.impl.transaction.log.LogEntryCursor openLogEntryCursor(org.neo4j.io.fs.FileSystemAbstraction fileSystem, java.io.File file, org.neo4j.kernel.impl.transaction.log.LogVersionBridge readerLogVersionBridge) throws java.io.IOException
public static LogEntryCursor OpenLogEntryCursor(FileSystemAbstraction fileSystem, File file, LogVersionBridge readerLogVersionBridge)
{
LogVersionedStoreChannel channel = OpenVersionedChannel(fileSystem, file);
ReadableLogChannel logChannel = new ReadAheadLogChannel(channel, readerLogVersionBridge);
LogEntryReader <ReadableClosablePositionAwareChannel> logEntryReader = new VersionAwareLogEntryReader <ReadableClosablePositionAwareChannel>();
return(new LogEntryCursor(logEntryReader, logChannel));
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public org.neo4j.kernel.impl.transaction.log.LogVersionedStoreChannel next(org.neo4j.kernel.impl.transaction.log.LogVersionedStoreChannel channel) throws java.io.IOException
public LogVersionedStoreChannel next(LogVersionedStoreChannel channel)
{
if (!returned)
{
returned = true;
channel.close();
return(new PhysicalLogVersionedStoreChannel(_outerInstance.fileSystemRule.get().open(_outerInstance.file(1), OpenMode.READ), -1, (sbyte)-1));
}
return(channel);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public org.neo4j.kernel.impl.transaction.log.LogVersionedStoreChannel next(org.neo4j.kernel.impl.transaction.log.LogVersionedStoreChannel channel) throws java.io.IOException
public override LogVersionedStoreChannel next(LogVersionedStoreChannel channel)
{
LogVersionedStoreChannel next = base.next(channel);
if (next != channel)
{
_monitor.logFile(_logFiles.getLogFileForVersion(next.Version), next.Version);
}
return(next);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldReturnOldChannelWhenThereIsNoNextChannel() throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldReturnOldChannelWhenThereIsNoNextChannel()
{
// given
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.kernel.impl.transaction.log.ReaderLogVersionBridge bridge = new org.neo4j.kernel.impl.transaction.log.ReaderLogVersionBridge(logFiles);
ReaderLogVersionBridge bridge = new ReaderLogVersionBridge(_logFiles);
when(_channel.Version).thenReturn(_version);
when(_fs.open(any(typeof(File)), eq(OpenMode.READ))).thenThrow(new FileNotFoundException());
// when
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.kernel.impl.transaction.log.LogVersionedStoreChannel result = bridge.next(channel);
LogVersionedStoreChannel result = bridge.Next(_channel);
// then
assertEquals(_channel, result);
verify(_channel, never()).close();
}
